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TPS22918-Q1, 5.5-V, 2-A, 52-mΩ On-Resistance Load Switch
SLVSCZ8B
July 2016 – December 2019
TPS22918-Q1
PRODUCTION DATA.
CONTENTS
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TPS22918-Q1, 5.5-V, 2-A, 52-mΩ On-Resistance Load Switch
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
On-Resistance vs Input Voltage Typical Values
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical DC Characteristics
6.8
Typical AC Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
On and Off Control
8.3.2
Quick Output Discharge (QOD)
8.3.2.1
QOD when System Power is Removed
8.3.2.2
Internal QOD Considerations
8.3.3
Adjustable Rise Time (CT)
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Input Capacitor (CIN)
9.2.2.2
Output Capacitor (CL) (Optional)
9.2.2.3
Shutdown Sequencing During Unexpected System Power Loss
9.2.2.4
VIN to VOUT Voltage Drop
9.2.2.5
Inrush Current
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
12
Device and Documentation Support
12.1
Device Support
12.1.1
Developmental Support
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Community Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DBV|6
MPDS026Q
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvscz8b_oa
slvscz8b_pm
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DATA SHEET
TPS22918-Q1, 5.5-V, 2-A, 52-mΩ On-Resistance Load Switch
1
Features
AEC-Q100 Qualified
Integrated single-channel load switch
Qualified for automotive applications:
Device Temperature Grade 2: –40°C to +105°C ambient operating temperature range
Functional safety capable
Documentation available to aid functional safety system design
Input voltage range: 1 V to 5.5 V
Low On-Resistance (R
ON
)
R
ON
= 52 mΩ (typical) at V
IN
= 5 V
R
ON
= 53 mΩ (typical) at V
IN
= 3.3 V
2-A Maximum continuous switch current
Low quiescent current
8.3 µA (typical) at V
IN
= 3.3 V
Low-control input-threshold enables use of 1 V or higher GPIO
Configurable Quick-Output Discharge (QOD)
Configurable rise time with CT pin
Small SOT23-6 package (DBV)
2.9 mm × 2.8 mm, 0.95-mm Pitch,
1.45-mm height (with leads)
ESD Performance tested per AEC Q100
±2-kV HBM and ±750-V CDM
2
Applications
Automotive electronics
Infotainment
Cluster
ADAS (Advanced Driver Assistance Systems)